Floor or ceiling plate for steam or water pipes



(No Model.)

G. 0; BLAOKMORE. P11003011 CEILING PLATE FOR STEAM 0R WATER PIPES.

Patented Dec. 12, 1 893.

wAemNaroN u o UNITE STATES PATENT OFFICE.

GEORGE C. BLACKMORE, NEWARK, NEW JERSEY.

FLOOR OR CEILING PLATE FOR STEAM OR WATER PIPES.

SPECIFICATION forming part of Letters Patent No. 510,833, dated Decem'ber 12, 1893.

Application filed February 23, 1893- Serial No. 463,293. (No model.)

To aZZ whom, it may concern.-

Be it known that I, GEORGE 0. BLACKMORE, a citizen of the United States, residing at Newark,Essex county, New Jersey, have invented certain new and useful Improvements in Floor or Ceiling Plates for Steam or Water Pipes, fully described and represented in the following specification and the accompanying drawings, forming a part of the same.

This improvement relates to the divided plates which are adapted for convenient application to the floor or ceiling of an apartment around a steam or water pipe after thesame is set in place, the plate being divided across the middle, and the sections united to hold them together around the pipe.

The present invention consists in the particular construction for such floor orceiling plates herein shown and described.

In the annexed drawings, Figure 1 is a plan of the plate; Fig. 2 an edge view of the same, both reduced in scale; while Fig. 3 shows the under side of the plate of the natural size. Figs. 4 and 5 are plans of the two sections detached. Fig. 6 is an edge view of the interior of the section shown in Fig. 4, with the rabbeted lugs out upon the line y, y; and Fig. 7 shows the pin and socket joint of the two sections, the section being out upon the line w, w, in Fig. 3.

A is one of the sections provided with aset screw a, and B is the opposite section united thereto at one side of the opening 0 by the bayonet lock, D, and at the opposite side by the pin and socket E. Half round lugs fare projected from the ends of the section A, and similar lugs g from the ends of the section B. The lugs are rabbeted reversely or upon opposite sides of the plate, in each section, as is plainly shown in Figs. 1 and 2, and indicated by the recesses h where the rabbet is formed upon the top of each section in Figs. 4 and 5. One of the lugs upon the section A is provided with a socket I having a notchl formed in one side at an angle with the dividing line of the sections, and the corresponding lug upon the sectionB is provided with a pin m having a stud m projected at the opposlte angle from the notch Z. By inspection of Fig. 3 it will be noticed that the stud m upon the pin m is adapted to pass through the notch Z. by turning the section Ainto a suitable po sition, as indicated bythe dotted lines A, the stud then serving to lock the pin in the hole Z when the parts are closed together, as shown in Fig. 3. The combination of the stud m with the notched hole Zis analogous to a bayonet lock, and is so termed herein. The opposite lugs f and g are provided respectively with a pin 1?, and a socket 0, the pin being provided upon its inner side at the base with a notch n, and the socket being beveled upon its outer side to engage such notch, as shown in Fig. 7. Slender ribs 19 Fig. 3 are formed upon the edges of the sections adjacent to the lugs containing the bayonet lock, which ribs may be filed to resist in a slight degree the moving of the sections into their closed position, thus causing the beveled edge of the socket 0 to engage firmly with the notch n at the base of the pin n.

It is common to flare the plates asindicated by the hatched portions of Fig. 6, and the two sections, when turned upon the pin m, do not therefore turn in the same plane as the bottom of the plate. I have therefore found it desirable to rabbet the sections reversely, so that the section Afits under the section B at the bayonet lock, and over the section B at the socket 0. It is not material however to myinvention that the plates should be flared or the sections rabbeted reversely, and I have not therefore claimed the means for uniting the two sections independent of such reverse rabbets.

Itwill be observed by reference to Fig. 5 that the set screw a operates to draw the notched pin it laterally in the socket 0, and thus holds the notch in firm engagement with the beveled edge of the socket, as shown in Fig. 7. I have therefore claimed such arrangement of the set screw as a means of simultaneously securing the sections together and securing the plate upon the pipe.

By the use of the set screw for securing the sections together, the plate is adapted for use upon the ceiling as well as upon the floor.

Having thus set forth the nature of the invention, what is claimed is 1. The floor and ceiling plate formedin two sections with ends reversely rabbeted and overlapped, the ends upon one side being united by a bayonet look as set forth, and the ends upon the opposite side being united by a notched pin and socket beveled upon one pin into its socket,substantial1yas herein set 1:: edge to engage the pin, as set forth. forth.

2. The floor and ceiling plate formed in two In testimony whereof I have hereunto set sections with rabbeted overlapping ends, the my hand in the presence of two subscribing 5 ends at one side being united by a. bayonet witnesses.

lock and the ends at the opposite side being GEORGE O. BLAOKMORE. united by a notched pin and socket beveled Witnesses: upon one edge to engage the pin, with a set L. R. BLACKMORE,

screw in one of thesections to press the notched T. S. CRANE. 

